Shaowu Huaxin Chemical CO.,LTD.

    Main products

 

Electronic grade Hydrofluoric Acid

 

Properties:

        Molecular Formula:HF ,Molecular Weight: 20.01

The product is a colorless and transparent solution. It has a strongly pungent odor and a strong toxicity. It is very corrosive.

Specification

Item

Index

Class EL

Class UP

Class UP-S

Equivalent

SEMI C1 C2

Equivalent

SEMI C7

Equivalent

SEMI C8

Hydrogen Fluoride  (HF), w/%

49.0-49.5

49.0-49.5

49.0-49.5

Granules (≥ 0.5 μm ) p /ml ≤

25

25

25

Granules(≥ 0.3 μm ) p /ml ≤

-

150

150

Granules(≥ 0.2 μm) p /ml ≤

-

300

300

    Color, hazen  ≤

10

10

10

 Silicofluoric Acid,  H2SiF6  ppm ≤

100

20

20

  Chloride,Cl ppm ≤

5

5

0.5

   Nitrate ,NO3 ppm ≤

3

3

0.3

   Phosphate ,PO4 ppm ≤

1

1

0.1

   Sulfite,SO3 ppm ≤

5

2

0.2

    Sulfate , SO4 ppm ≤

0.5

0.2

 Metal

 ions

ppb

   ≤

   Zn   

50

10

10

   Na  

200

10

1

   Mg   

200

10

1

  Pt  、K  、  Ti、Al   、 Mo  

  Ba  、Ca  、Fe   

100

10

1

  Pb  、As   、Cd 、Ni

50

10

1

  Sn 、Mn 、Cr 、Co 、Cu、Ga

  Ge           

20

10

1

  Au 、Be 、Bi 、Li  、Ag             

20

5

1

  Sr  、Tl 、Sb 、V    

-

10

1

 

Storage:

       The product should be stored in a storehouse with good ventilation.

Transport:

       It should be treated as Grade A inorganic acid corrosive goods during its transportation. Avoid heating   

  or getting wet in the rain. Slightly load and unload. Avoid striking.

Packing:

        The product is filled in a 25 kg polythene plastic drum; Also fill it on consumer requests.   

 

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